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13011132221230 = 2511139098693861
BaseRepresentation
bin1011110101010110001111…
…1010100000011100101110
31201001212000011201221221111
42331111203322200130232
53201133244322034410
643401122010422234
72512010662046023
oct275254372403456
951055004657844
1013011132221230
114166a98a37330
121561789a3197a
13734c380c8580
1432da566b354a
151786b1b42b8a
hexbd563ea072e

13011132221230 has 32 divisors (see below), whose sum is σ = 27514450238688. Its totient is φ = 4367373052800.

The previous prime is 13011132221221. The next prime is 13011132221237. The reversal of 13011132221230 is 3212223111031.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011132221237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4549345501 + ... + 4549348360.

It is an arithmetic number, because the mean of its divisors is an integer number (859826569959).

Almost surely, 213011132221230 is an apocalyptic number.

13011132221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13011132221230 is an abundant number, since it is smaller than the sum of its proper divisors (14503318017458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13011132221230 is a wasteful number, since it uses less digits than its factorization.

13011132221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9098693892.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13011132221230 its reverse (3212223111031), we get a palindrome (16223355332261).

The spelling of 13011132221230 in words is "thirteen trillion, eleven billion, one hundred thirty-two million, two hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 9098693861 18197387722 45493469305 90986938610 100085632471 118283020193 200171264942 236566040386 500428162355 591415100965 1000856324710 1182830201930 1301113222123 2602226444246 6505566110615 13011132221230